{"id":"UBUNTU-CVE-2026-1991","details":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","modified":"2026-05-20T16:24:08.416262082Z","published":"2026-02-06T06:15:00Z","upstream":["CVE-2026-1991"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-1991"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-1991"},{"type":"REPORT","url":"https://github.com/libuvc/libuvc/issues/300"},{"type":"REPORT","url":"https://github.com/libuvc/libuvc/"},{"type":"REPORT","url":"https://github.com/oneafter/0104/blob/main/repro"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.344509"},{"type":"REPORT","url":"https://vuldb.com/?id.344509"},{"type":"REPORT","url":"https://vuldb.com/?submit.743388"}],"affected":[{"package":{"name":"libuvc","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libuvc?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.0.6-1","binary_name":"libuvc0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"}},{"package":{"name":"libuvc","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libuvc?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libuvc0","binary_version":"0.0.6-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"}},{"package":{"name":"libuvc","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libuvc?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libuvc0","binary_version":"0.0.6-1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"}},{"package":{"name":"libuvc","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libuvc?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-2","0.0.7-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libuvc0","binary_version":"0.0.7-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"}},{"package":{"name":"libuvc","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libuvc?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.7-2","0.0.7-3"],"ecosystem_specific":{"binaries":[{"binary_name":"libuvc0","binary_version":"0.0.7-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"}},{"package":{"name":"libuvc","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libuvc?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.7-3","0.0.7-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libuvc0","binary_version":"0.0.7-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"},{"type":"Ubuntu","score":"medium"}]}